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Finding the Fourth Proportional to 93,560.82, 129,112.43 and 51,118.44

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Solution

The fourth proportional to 93,560.82, 129,112.43 and 51,118.44 is: 70,542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,560.82 : 129,112.43 = 51,118.44 : x
  2. Step 2: Convert to fraction form
    93,560.82/129,112.43 = 51,118.44/x
  3. Step 3: Cross multiply
    93,560.82x = 129,112.43 × 51,118.44
  4. Step 4: Simplify right side
    93,560.82x = 6,600,025,750.62
  5. Step 5: Solve for x
    x = 6,600,025,750.62/93,560.82
  6. Step 6: Final answer
    x = 70,542.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.